# SOLUTION: two sides of triangle have sides 6 and 21. The length of the third side must be greater than _______ and less than _____

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 Geometry: Triangles Solvers Lessons Answers archive Quiz In Depth

 Question 500634: two sides of triangle have sides 6 and 21. The length of the third side must be greater than _______ and less than _____Answer by cleomenius(959)   (Show Source): You can put this solution on YOUR website!By the Triangle inequality theorem, any two sides of a triangle must be greater than the third. So, the third side must be > 15 so as 6 plus 15 > 21. The third side must be < 27, so the sum of 6 and 21 is greater than the third side. 21 < x < 27. Cleomenius